Fresh Animations

Recommended with Entity Model Features & Entity Texture Features.

Changes/Fixes:

• fixed mule saddle position
• fixed villager layers clipping when sleeping
• fixed incorrect animation values after appearing on screen for many mobs
• fixed incorrect animation states after appearing on screen for some mobs
• tweaked happy ghast texture
• improved hoglin and zoglin attack
• tweaked zombie animations
• updated zombie horse texture
• added support for undead horse armour
• added support for parched
• tweaked horse saddle textures